280223242 has 16 divisors (see below), whose sum is σ = 457067520. Its totient is φ = 128076912.

The previous prime is 280223227. The next prime is 280223249. The reversal of 280223242 is 242322082.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (280223249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49642 + ... + 54997.

It is an arithmetic number, because the mean of its divisors is an integer number (28566720).

Almost surely, 2^280223242 is an apocalyptic number.

280223242 is a deficient number, since it is larger than the sum of its proper divisors (176844278).

280223242 is a wasteful number, since it uses less digits than its factorization.

280223242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104757.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 280223242 is about 16739.8698322299. The cubic root of 280223242 is about 654.3870823710.

The spelling of 280223242 in words is "two hundred eighty million, two hundred twenty-three thousand, two hundred forty-two".